<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
<h1>字母哥业务系统登录</h1>
<form action="/login" method="post">
    <span>用户名称</span><input type="text" name="username" /> <br>
    <span>用户密码</span><input type="password" name="password" /> <br>
    <input type="submit" value="登陆">
</form>

</body>
</html>